wpf 再窗体加载时 为 textbox 的 text 属性 赋值问题


<Window x:Class="WpfApplication1.View.TestTextBox"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
        xmlns:vm="clr-namespace:WpfApplication1.ViewModel"
        Title="TestTextBox" Height="300" Width="300">
    <Window.DataContext>
        <vm:TestTextBoxModel/>
    </Window.DataContext>
    <i:Interaction.Triggers>
        <i:EventTrigger EventName="Loaded">
            <i:InvokeCommandAction Command="{Binding TestTextBoxCmd}" CommandParameter="{Binding ElementName=TestTextBoxXaml}" />
        </i:EventTrigger>
    </i:Interaction.Triggers>
    <Grid>
        <TextBox Height="23" HorizontalAlignment="Left" Margin="60,51,0,0" Name="textBox1" VerticalAlignment="Top" Width="120" Text="222"></TextBox>
        <Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="62,128,0,0" Name="button1" VerticalAlignment="Top" Width="75" />
    </Grid>
</Window>补充 这是  w2  页面 的代码